.info_wrap{
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,0.4);
            display : none;
        }
        .info_wrap .info{
            width: 80%;
            background: #fff;
            height: 180px;
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            margin: auto;
            border-radius: 6px;
        }
        .info_wrap .info .content{
            height: 130px;
            box-sizing: border-box;
            padding: 20px;
            text-align: center;
        }
        .info_wrap .info .bottom p{
            color: #D56776;
            font-size: 16px;
        }
        .info_wrap .info .bottom{
            border-top: solid 1px #aaa;
            text-align: center;
            line-height: 50px;
        }
        .info_wrap .info .bottom:active{
            background:#d0d0c4;
        }
         .info_wrap .info .content .letter{
            width: 60px;
            height: 60px;
            background: url(../../img/wechat/letter.png) no-repeat;
            background-size: 100%;
            display: inline-block;

        }